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Mitsubishi Electric MELSEC iQ-F FX5 User Manual page 329

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Error
Error name
Error details and cause
code
3050H
System bus error
• Communication with the module failed
due to power discontinuity or the like.
3052H
System bus error
• The initial setting of the high-speed pulse
input/output module caused an error.
3054H
System bus error
• All module reset is executed.
• The positioning with the high-speed
pulse input/output module caused an
abnormal stop.
3055H
System bus error
• All module reset is executed.
• The positioning with the high-speed
pulse input/output module caused an
abnormal stop.
3056H
System bus error
• A timeout occurred during
communication with a connected module
when an instruction was executed.
Action
• Verify that the connected module is powered
on.
• Verify that extension cables are correctly
connected.
• Verify that the version of the CPU module is
compatible with the module where the error
was detected.
• Implement anti-noise measures.
• If there is no problem, there may be a
malfunction in the connected module or in
the extension cables.
• Verify that extension cables are correctly
connected.
• Verify that the version of the CPU module is
compatible with the module where the error
was detected.
• Implement anti-noise measures.
• If there is no problem, there may be a
malfunction in the connected module or in
the extension cables.
• Review the program and check the contents
of the operands used in the applied
instructions.
• Verify that the connected module is powered
on.
• Verify that extension cables are correctly
connected.
• Verify that the version of the CPU module is
compatible with the module where the error
was detected.
• Implement anti-noise measures.
• If there is no problem, there may be a
malfunction in the connected module or in
the extension cables.
• Review the program and check the contents
of the operands used in the applied
instructions.
• Verify that the connected module is powered
on.
• Verify that extension cables are correctly
connected.
• Verify that the version of the CPU module is
compatible with the module where the error
was detected.
• Implement anti-noise measures.
• If there is no problem, there may be a
malfunction in the connected module or in
the extension cables.
• Verify that extension cables are correctly
connected.
• Verify that the version of the CPU module is
compatible with the module where the error
was detected.
• Implement anti-noise measures.
• If there is no problem, there may be a
malfunction in the connected module or in
the extension cables.
• When an error occurs alongside positioning
function, positioning may not stop at the
specified position. After removing the cause
of the system bus error, perform zero return
and clear error.
Detailed
Diagnostic
information
timing
System
At power-on,
configuration
at RESET
information
System
At power-on,
configuration
at RESET
information
System
At END
configuration
instruction
information
execution, at
instruction
execution
Error location
At END
information
instruction
execution, at
instruction
execution
Error location
At instruction
information
execution
and system
configuration
information
APPENDIX
327
Appendix 3 Error Code
A

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